package Operation;

import Book.BookList;

public class ExitOperation implements IOPeration{
    public void work(BookList bookList) {
        System.out.println("退出系统...");
        int currentSize = bookList.getUsedsize();
        for (int i = 0; i < currentSize; i++) {
            bookList.setBooks(i,null);
        }
        System.exit(0);
    }
}
